Food vacuum bags have two layers, three layers, and four layers. Used for instant noodles, snacks, frozen snacks, powder packaging, biscuits, candies, all kinds of light food, all kinds of dry food, fried food, potato chips, rice snacks, snacks, tea, cooking, alcoholic food, flavored food , powder packaging, soy sauce, liquid, laundry detergent, shampoo, etc. The production process of food packaging bags: copper plate – printing – compounding – drying – forming and cutting bags. The process flow of the composite bag is very complicated. The manufacturer produces the composite bag with beautiful appearance, moisture-proof, mildew-proof, good sealing performance, and multi-color printing. Manufacturers have professional quotation staff and perfect after-sales service. Our company provides quality product testing reports and custom-made food-grade packaging bags, which can be exported to any country. Packaging bags are divided into: vacuum packaging bags, aluminum foil bags, yin and yang bags, cooking bags, freezer bags, etc., as well as three-side, four-side, side, and eight-side sealing bags. There are copper plate printing, UV process printing and so on. Tea packaging bags, coffee foil bags, seasoning bags, dried fruit bags, mustard bags, snack food packaging bags, betel nut bags, snack bags, red dates bags, chicken and duck feet bags, etc. Composite bags are classified according to the packaging form: three-side sealing, yin-yang bag, middle sealing, four-side sealing bag, stand-up bag, zipper bag, roll material, etc.